Pressure checking apparatus for swimming pool



FIG. 1 is a front elevational view of a pressure checking apparatus for swimming pool, showing my new design;

FIG. 2 is a rear elevational view thereof.

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a “pressure checking apparatus for swimming pool”, as shown and described. 